baber/WOPTO huggingface dataset:
Patent GB-578384-A (GB)
Title: Folding bicycle frames
IPC: B62K15/00
Filed: 1944-01-26
Abstract: 578,384. Hinges. SCHWINN, F. W. Jan. 26, 1944; No. 1518. Convention date, Aug. 14, 1943. [Class 65 (ii)] [Also in Groups XXVIII and XXXI] A folding bicycle frame includes a pair of tubular frame members 29, 30 secured together for relative movement by a pair of joint fixtures 31, 32 having flanges 44 connected by a pin 45 which is offset laterally from the frame members to allow them to be folded into parallel relationship, the fixtures 31, 32 including one or more interlocking ribs and grooves 62, 63 which may be wedge shaped and are clamped into engagement when the frame is in its extended position so as to provide a rigid connection between the fixtures 31, 32 and prevent strain being taken by the pin 45. The clamping action is effected by a bolt 40 screwed into a hole 38 in the fixture 31 and engaging in a slotted extension 32a of the fixture 32 the outer face of which is engaged by the head 52 of the bolt. Withdrawal of the bolt from the hole 38 is limited by a circlip 42 which assists to hold the bolt rigidly in position for reengagement with the slotted portion 32a. Clearance between the pin 45 and the bores of one of the two hinge flanges allows wear to be taken up in the grooves and teeth 65 and 66 without imposing strain on the pin 45.
Patent GB-1025010-A (GB)
Title: Furnace apparatus for burning solid fuel
Inventor: GUNN ALEXANDER DAVID CHALMERS
IPC: F23K3/00
Filed: 1964-01-14
Abstract: 1,025,010. Discharge from hoppers. COCHRAN & CO., ANNON Ltd. Jan. 14, 1965 [Jan. 14, 1964], No. 1663/64. Heading B8S. [Also in Division F4] In a solid fuel-fired furnace the combustion chamber 5 and feed tube 3 are connected by way of side walls 11 to a platform 13 which is supported on rollers or wheels and is reciprocated by a connecting rod 20 attached to a crank-shaft 17. The free end of the feed tube 3 passes through a guide 2 in the side of a stationary fuel hopper 1 and at its extreme position of travel the open end passes over a ram device 4 which forces the fuel along the tube and into the combustion chamber 5. The ashes are discharged from the open end of the combustion chamber on to the platform 13 and pushed therealong and discharged from the end 23 by a stationary ram 15 as the platform 13 reciprocates.
Patent GB-269656-A (GB)
Title: Improvements in or relating to electric switches
IPC: H01R33/955
Filed: 1926-01-20
Abstract: 269,656. Fletcher, J. Y., and Collings, J. H. Jan. 20, 1926. Holders.-A switch, adapted for use in lampholders, comprises a member 1 carrying a yieldable trigger 3 which, when the member 1 is slid from right to left or from left to right engages a fixed stop 16 thereby causing the trigger to tilt till it slips beneath the stop 16 and strikes a blow on one of the two arms 10, 11 of a pivoted contact-carrying member 5, moving the switch rapidly "on" or "off". The trigger 3 may be a blade spring, or, as shown, a rigid member pivoted at 4 to the slide 1 and acted upon by spring-pressed blocks 14 which tend to keep the trigger perpendicular to the slide 1. Specification 27503/12 is referred to.
Patent GB-1173832-A (GB)
Title: A method for the production of Transparent Coloured Pictorial Panes and Pictorial Panes produced by said method
Inventor: UTZ RUDOLF
IPC: B44F1/06
Filed: 1967-01-12
Abstract: 1,173,832. Ornamenting. GEORG UTZ A.G. 12 Jan., 1967, No. 1706/67. Heading B6G. [Also in Division G5] A transparent, coloured pictorial pane is produced by simultaneously moulding as an integral unit from plastics material a frame and ribs forming an outline figurative representation located within the frame, providing at least a part of the front face of the unit with a metallic finish, applying by means of stencils at least one colour to a glass pane, the contours of the stencils registering with the outlines of the figurative representation, fitting the pane into a recess in the rear of the frame and securing the pane in the recess. In Figs. 1 and 2 a figurative representation 2 and frame 1 are integrally formed in one piece from plastics material using a mould which is recessed in correspondence with ribs 2 of the figurative representation and with frame 1. The figurative representation within the frame 1 is connected to the frame parts for support by a sufficient number of ribs 2. The rear face of the frame 1 is provided with a a recessed portion to receive a pane of glass 4. At least the front face of the pictorial pane is given a metallic appearance say by impressing a silver foil thereon at 150‹ C. the parts of the foil located between the ribs 2 being removed, or by metallizing in a vacuum or by spraying. At least one colour is applied by means of stencils on to the glass pane 4. The contours of the portions to be coloured correspond exactly to the contours of the ribs 2 and the frame 1. The pane of glass 4 is then inserted into the rear of the plastics frame 1 and is held in either by catches on the frame 1 or by gluing. The front surface of the glass 4 thus rests on the rear of the ribs 2 of the figurative representation so that seen from the front it appears that individual glass panes of different colours are held together by the ribs 2. The plastics material may be suitably dyed polystyrol or polyamide. The pictorial panes serve as room ornaments and are suspended on window frames.
Patent GB-1170961-A (GB)
Title: Apparatus for Mixing Liquid and Powdery or Granular Materials for Building Construction.
IPC: B01F27/93
Filed: 1967-01-12
Abstract: 1,170,961. Mixing apparatus. W I B A U WESTDEUTSCHE INDUSTRIE -UND STRABENBAUMASCHINENG.m.b.H. 12 Jan., 1967 [12 Jan., 1966; 18 Feb., 1966; 30 March, 1966; 27 April, 1966; 19 Aug., 1966; 15 Oct., 1966], No. 1775/67. Heading B1C. A mixer for liquid and granular material (e.g. mastic asphalte) comprises a jacketed container 1 having rotating stirrers 3 comprising discs with apertures 4 angled to the shaft 2 and to each other. There may be a scraper blade 5, and vertical baffles 6 attached to the container wells. Shaft 2 may also carry a cylindrical body 14 to prevent access and adherence of the material to the shaft. The apparatus may have thermostatically controlled heating or cooling; means 8 for metering the liquid binder; and means for operation under increased or reduced pressure. (For Figure see next column)
Patent GB-103848-A (GB)
Title: Improvements in Alarm Thermometers.
Inventor: GETHIN EMRYS
IPC: G01K5/16
Filed: 1916-02-08
Abstract: 103,848. Gethin, E. Feb. 8, 1916. Alarms operated by expansion of liquids. - A mercury thermometer, graduated in degrees and fractions in the Centigrade or Fahrenheit scale, has platinum wires fused through the stem at required temperatures and through the lower part of the stem or the bulb, which are connected in circuit with a battery and a bell, lamp, electromagnet, or other indicator. Reference has been directed by the Comptroller to Specification 5999/07.
Patent GB-1392704-A (GB)
Title: Toothed tool for the fine-finishing of gear wheels
IPC: B23F21/03
Filed: 1974-01-15
Abstract: 1392704 Gear finishing; abrasive tools HURTH VERWALTUNGS GmbH 15 Jan 1974 [12 Feb 1973] 01881/74 Headings B3K and B3D A gear finishing tool for use in crossed-axes operation comprises teeth 5, having a layer 6 of a mixture of bonding metal and diamond granules applied galvanically. If the tool is not fed in the direction 8 during the finishing operation the tooth flanks of the tool are of hyperboloido-concave form. If the workpiece has internal gearing the teeth of the tool are longitudinally crowned, i.e. are convex.
Patent GB-669455-A (GB)
Title: Arrangements for reducing distortion in electric signals
IPC: H04N5/18
Filed: 1950-01-25
Abstract: 669,455. Television. WESTERN ELECTRIC CO., Inc. Jan. 25, 1950 [Jan. 26, 1949], No. 1960/50. Class 40 (iii). In an arrangement for reducing signal distortion in an electric signal transmission system in which the signals include recurrent reference level portions (e.g. television signals) and in which a " clamp " circuit comprising a condenser in the signal path between. signal input and a signal output circuit has its output circuit periodically connected to a point of fixed potential through two oppositely poled unidirectional conducting devices which are simultaneously rendered conducting during the recurrent portions of the signals by means of voltage pulses derived from the signal output circuit, the voltage pulses applied to the respective unidirectional conducting devices are made of unequal amplitude in order to provide a negative feed-back path through the devices which serves to reduce distortion effects introduced by the " clamp " circuit. Fig. 3 shows the general arrangement in which condenser 10 which is connected between a source of television signals V2 and the grid circuit of an output amplifier V1 has the side connected to the latter circuit periodically restored to a fixed potential by means of a switching circuit 30 comprising oppositely poled diodes 11, 12, which are simultaneously rendered conducting by means of switching pulses of suitable polarity supplied by amplifiers 21, 22 and controlled by the synchronizing pulses available at the cathode of VI. According to the present invention the gain of amplifier 22 is made greater than that of amplifier 21 so that a negative feed-back exists in a loop circuit including the diodes and amplifiers and the grid cathode of VI. The effect of this feedback is stated to be: (a) to reduce the effect of disturbing voltages which are produced by unbalance in the diode circuits and which, otherwise, would appear in the output of V1 and, (b) to reduce the effective internal impedance of the switching circuit 30 so that the capacity of condenser 10 may be increased to such a value that the production of spurious saw-tooth voltages due to leakage paths in the condenser circuit is reduced whilst at the same time maintaining the short time-constant which is necessary to allow condenser 10 to be fully charged during the switching pulse interval. Circuit details of amplifiers 21, 22, are described with reference to Fig. 5 (not shown). U.S.A. Specification 2,299,945 is referred to.
Patent GB-130370-A (GB)
Title: Improvements in and relating to Lifting Devices.
Inventor: ALLEN MICHAEL HENRY PERCIVAL
IPC: B64F1/22
Filed: 1918-02-04
Abstract: 130,370. Allen, M. H. P. Feb. 4, 1918. Jacks.-The movement of the lifting-member is communicated to the crutch and multiplied by a lever pivoted in the frame of the jack. The lifting-member may be actuated by fluid pressure or by screw-and-nut, rack-and-pinion, or ratchet mechanism. The jack is mounted on wheels and is specially applicable for use in aerodromes for raising the tail-ends of large aeroplanes, such as bombing-machines, and for raising heavy bombs &c. into position for attachment to the machine. The crutch G, Fig. 2, is pivotally mounted between the ends of a pair of levers F which are connected by a pivot f to uprights a carried by the frame A and are suspended by members f<2> from the cross-head e<2> of the piston-rod E of the fluid-pressure jack D. The jack is actuated by fluid drawn from the upper side of the piston e through the pipe h by the pump H, and delivered to the lower side of the piston through the pipe h<1>. The pipes h, h<1> may be connected by a by-pass, or a valve may be provided to permit the passage of fluid direct from one side of the piston to the other. The jack is mounted in flanged supports on the frame A by means of trunnion shafts d. one of which receives the delivery pipe h<1>. When the piston reaches the upper end of its stroke, fluid passes through the holes h<3>, grooves h<4>, and openings h<5> to the upper side of the piston, and straining of the jack is prevented. Air vents h<6>, e<5> are provided. The piston-rod E is hollow and is provided with openings e<4>. The wheels are made readily detachable from the frame in order that the crutch may be brought close to the ground for raising the tail-end of a bombing- machine when the skid has been broken. The axles b are supported by brackets b<3>, Fig. 9, which fit between flanges b<4> on the frame A and are kept in place by the engagement of the spring plunger b<2> with an aperture b<5>, Fig. 9. The crutch G is provided with an attachment I, Fig. 15, when it is desired to raise loads, e.g. a bomb J from the ground. The bomb rests against a stop i<4> and is supported by a stirrup i<1> which is mounted on trunnions i<3> in a stirrup i. A vertical pivot pin i<2> connects the stirrup i and the attachment I.
Patent GB-469985-A (GB)
Title: Improvements in knapsacks with carrying devices
IPC: A45F3/08
Filed: 1936-11-17
Abstract: 469,985. Knapsacks. AAS, A. Nov. 17, 1936, No. 1996/37. Divided out of 469,362. [Class 133] The upper fastening points of the shoulder straps 9 of a knapsack mounted upon a separate carrying frame 1, 2 are disposed a distance of 10 to 15 cm. or more below the uppermost portion 3 of the frame, and the straps are of such length that the upper portions of the frame and sack are maintained level with or project above the shoulders of the wearer. The straps may be attached to the upper arms 8<1> of the frame by pieces 10, as shown, or may be secured to the cross-piece 8. The leather hood 6<1>, enclosing the upper frame part 3 and to which the upper end of the sack is attached, is formed with holes for the passage of straps 4 serving for the attachment of a blanket &c. The lower portion of the sack is so fashioned that the bottom is inclined upwardly.
Patent GB-141030-A (GB)
Title: Improvements in forced-draught furnaces for steam boilers
IPC: F23L17/16
Filed: 1920-03-17
Abstract: 141,030. Kohler, C. March 29, 1919, [Convention date]. Emission of flames &c., preventing.- In steamboiler furnaces in which air under pressure is supplied to the ash-pit, means are provided for preventing the emission of flames and noxious gases through the fire-door opening when the door is opened. Fig. 1 shows a locomotive in which a blower 5 may deliver air through a conduit 6 to the ash-pit 7 or through a conduit 13 to the blastpipe 2. Before the fire-door can be opened, a lever 15 must be operated which actuates through rods 16, 17, valves 12, 14 in the conduits 6, 13, the valve 12 being closed and the valve 14 opened so that the air passes from the blower to the smoke-box and relieves the pressure in the firebox. When the locomotive is running at full speed, the pressure may be relieved in the firebox by providing a valve-controlled vertical pipe 21 leading downwardly from the fire-box and with its lower end 22 arranged as shown or directed rearwardly. The motion of the locomotive serves to draw the gases through the pipe 21 and thus relieve the pressure in the fire-box. In place of the pipe 21 a valve-controlled pipe 25 may be fitted to the ash-pit. The locomotive is driven by a turbine 1, the exhaust of which may be led to the blast pipe 2. The Specification as open to inspection under Sect. 91 (3) (a) comprises also a modification, Fig. 3 (Cancelled), in which the connexion between the blower and ash-pit is closed by a valve 34 a short time before the fire-door is opened, the ash-pit being then put in communication with the smoke-box by opening the valve 28 in the conduit 29. This subject-matter does not appear in the Specification as accepted.
Patent GB-451757-A (GB)
Title: Improvements in and relating to means for imparting drag in spinning, twisting or like machines
IPC: D01H1/24
Filed: 1936-01-22
Abstract: 451,757. Electric drag and driving arrangements for fiyer frames. BRITISH THOMSON - HOUSTON CO., Ltd., Crown House, Aldwych, London. Jan. 22, 1936, No. 2059. Convention date, Jan. 22, 1935. Drawings to Specification. [Class 120 (ii)] The flyer or bobbin of flyer spinning, twisting, or like frames is dragged by means of an asynchronous alternating current motor the synchronous speed of which is lower than the normal operating speed, so that the flyer or bobbin is assisted when starting up and thereafter the drag increases with the speed. A suitable arrangement consists in using an asynchronous motor for the driven element, that is flyer or bobbin, and a similar motor for the dragged element, that is bobbin or flyer, each motor being fed at the same frequency but the latter have a fractional number of poles.
Patent GB-387115-A (GB)
Title: Improvements relating to the catalytic treatment of the charges supplied to internalcombustion engines
IPC: F02M27/02
Filed: 1932-01-22
Abstract: 387,115. Vaporizers. SOC. ANON. LE CARBONE, 37, Rue de Paris, Gennevilliers, Seine, France. Jan. 22, 1932, No. 2079. Addition to 262,407, [Class 7 (iii), Internal-combustion engines, Carburetting- apparatus &c. for]. [Class 7 (iii).] In the parent Specification is described a process in which a mixture of air and atomized fuel is subjected to the catalytic action of activated carbon at a temperature above 250‹ C. before admission to the engine cylinders and the invention consists in using as the catalyst activated carbon in the form of a woven fabric or entangled mass, i..e carbonized tissue of lamp wick or carbonized cotton wool. In a weave, threads which do not carbonize are used with others that do, the former eventually forming a support for the texture. As shown in Fig. 1, a roll of activated carbon a is placed between two carbon plates a<1>, a<2> which form a support and which are perforated as at e to allow the mixture to enter the roll. The catalyst may line the walls of the carburetter or of the induction pipes. Specification 377,909, [Group III], is referred to.
Patent GB-509895-A (GB)
Title: Improvements in or relating to method and apparatus for internal heat treating of hollow objects
IPC: H05B6/02
Filed: 1938-01-21
Abstract: 509,895. Heat-treatment. SOMES, H. E. Jan. 21, 1938, No. 2079. Convention date, Jan. 21, 1937. [Class 72] [Also in Group XI] The bore of a gun 10 or other tubular object is heat treated by inducing currents in the surface of the bore over a limited axial extent and progressively shifting the currents throughout the bore. The progressive heating is followed by progressive quenching. The heating device comprises an induction coil 70 with a magnetic core 77 and is supplied with current from the secondary of a transformer with a movable primary which functions as a switch as described in Specification 505,073, [Group XXXV]. A chamber 71 with radial laminations 75 is arranged at each end of the barrel to maintain constant the reactance of the coil 70 as it enters and leaves the bore. The quenching device comprises a tube 87 with a perforated wall and a head 88 with a projection 89 engaging the core 77 during the traverse to effect the heat treatment. The heating and quenching devices are traversed by screw and nut and rack and pinion gearing respectively, operated by motors. At the commencement of the operation the heating device is at the upper end of the barrel and as it descends an inert gas is supplied continuously to interior of the barrel at its upper end. The various devices are automatically operated under electric control. Specifications 468,626 and 503,130 are referred to.
Patent GB-903175-A (GB)
Title: Improvements in and relating to fastening devices
IPC: F16B37/04
Filed: 1960-06-17
Abstract: 903,175. Clips; screw fastenings; stud-andsocket fastenings. UNITED-CARR FASTENER CORPORATION. June 17, 1960 [June 30, 1959], No. 21421/60. Classes 44 and 89 (1). A fastening device for attaching a shelf guard 36 to a refrigerator door pan 30, for example, comprises a base 10 having two spaced yieldable arms 20 each formed with shoulders 24, 28 spaced longitudinally of the arm adjacent its outer end such that on the base being inserted into an aperture 34 in the door pan the shoulders will be positioned on opposite faces of the pan and the device will be held in assembly by the outwardly-directed resilient pressure of the arms, the base 10 also being provided with means extending upwardly of the base between the arms and in the same direction for engagement by a fastener element adapted to secure the guard 30 to the device. The device is made of synthetic plastic material such as nylon and the shoulders 24, 28 are respectively provided by bent-over bifurcated end portions 22 of the arms 20 and angular projections 26 integral with the arms. The means projecting upwardly of the base is a tubular portion 14 integral with the base 10 and with side walls 12 integrally projecting from the base, the portion 14 having an aperture therethrough to receive a self-tapping screw 38 which passes through, e.g. by being screwed through, an aperture 40 in the shelf guard 36. In a second embodiment, Fig. 6 (not shown), the tubular portion 14 is replaced by a stud member for engagement by a fastener of known form for releasably securing the stud within a cavity in the shelf guard. In a third embodiment, Fig. 7 (not shown), the base 10, the side walls 12 and the tubular portion 14 are formed as a parallelepiped which has several apertures for engaging screws.
Patent GB-1469033-A (GB)
Title: Breaking or crushing machines
IPC: B02C13/282
Filed: 1975-01-17
Abstract: 1469033 Impact pulverizers LINDEMANN MASCHINENFABRIK GmbH 17 Jan 1975 [9 Feb 1974] 2157/75 Heading B2A An impact pulverizer, e.g. a hammer mill has a housing wall 7 lined with wear plates 2..6 Fig. 1. Each wear plate has a cranked finger 10 passing through a slot 11 in the wall 7 and secured by the cranked end of the finger engaging the outer surface of the wall. The wear plates also include interengaging tongues or projections 14 and recesses 16 Fig. 2.
Patent GB-122911-A (GB)
Title: Improvements in or relating to Horn Work-Supporting Mechanism for Boot or Shoe Machines.
IPC: A43D93/00
Filed: 1918-02-07
Abstract: 122,911. British United Shoe Machinery Co., (United Shoe Machinery Co.). Feb. 7, 1918. Ornamenting.-In a machine for operating upon boots and shoes in which the shoe is supported internally on a rotary horn, an arrangement is provided whereby the horn tip while supporting the shoe during the operation, may yield laterally in a predetermined direction in a plane substantially parallel to the shoe bottom and laterally of the line of feed of the work past the operating point. The invention is described as applied to a knurling machine, such as of the type described in Specification 12969/02, the work being supported on a flat-tip 62 of a horn 60 so that it is acted upon by a reciprocating knurling-tool 5 and is guided by a power-driven feed wheel 6. The lower end 58 of the horn 60 is secured in an offset socket 56 of a split sleeve 52 rotatably mounted on a carrier 28, which is formed with a spherical seating 30 so that it can tilt about a knob 18 at the end of the reduced upper portion 16 of a standard 8. This standard, which is also provided with a short stepped section 14, passes through a boss 22 fitting in a guidebracket 12, and is furnished-with connexions to a treadle 10 by means of which it can be raised to operative position. Opposite the section 14 the carrier 28 is formed with off-set portions 36, 44, the former of which is bored to receive a cupped pressure member 38 held in engagement with the section 14 by an adjustable spring 40, while the latter is -threaded to-receive an adjusting-screw 48 and is provided with a depending finger 46 guided in a slot 26 in an offset 24 of the boss 22; the slot 26 extends in a direction substantially radial of the projected axis of the feed wheel 6. With this construction, the pressure of the spring- pressed member 38 holds the horn tip against the inside of the shoe and maintains the sole edge against the feed wheel 6, but. permits the carrier 2S to rock on the standard automatically to accommodate itself to variations in width of the sole edge or of the upper materials.